Variant 1
Applies to: BMU6 (RES)BMU6 (RESXA)BMU6 (RESXB)BMU6 (RESXC)BMU6 (RESXD)BMU6 (RESXE)BMU6 (RESXF)BMU6 (RESXG)BMU6 (RESXH)BMU6 (RESXI)BMU6 (RESXJ)BMU6 (RESXK)
What does Scania BMU fault code 804 mean?
What causes Scania DTC 804?
How does the system react?
How to fix Scania BMU fault code 804?
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Variant 2: The propulsion battery level monitor is defective
Applies to: BMU5
This information is for guidance only. Always follow the manufacturer workshop manual and safety procedures; if in doubt, contact an authorised workshop.
Code 804 in other Scania systems
- 804hex 0324 Interrupted electric power supply
- 804hex 0324 Solenoid valve for differential lock, 2nd rear axle
- 804hex 0324 Voltage supply, short circuit to earth
- 804hex 0324 Micro switch front door leaf, door lock, open circuit
- 804hex 000324 Missing CAN-messages from AMP
- 804hex 0324 Refrigerant system passenger area, pressure too high